# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        黄周云  
# Name:         question02
# Description:
# Author:       ASUS
# Date:         2019/1/16
#-------------------------------------------------------------------------------


while True:
    x=input('请输入一个数:')
    if x=='end':
        break;
    a=int(x)
    if a%2==0:
        print(x+'是偶数')
    else:
        print(x+'是奇数')



